Solve for y, x, z, a
a=66
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z=6\times 6+3\times 10
Consider the third equation. Insert the known values of variables into the equation.
z=36+30
Do the multiplications.
z=66
Add 36 and 30 to get 66.
a=66
Consider the fourth equation. Insert the known values of variables into the equation.
y=6 x=10 z=66 a=66
The system is now solved.
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